Data processing: generic control systems or specific application – Specific application – apparatus or process – Product assembly or manufacturing
Reexamination Certificate
2005-07-05
2005-07-05
Picard, Leo (Department: 2125)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Product assembly or manufacturing
C700S128000, C700S129000
Reexamination Certificate
active
06915180
ABSTRACT:
The present invention solves the quality control problems that exist in manufacturing equipment for sheet form products, that is, although the position correspondence between actuators and measuring points has been measured and switched for every raw material recipe, it takes a lot of time and effort and if the position correspondence shifts during machine operation, the position correspondence must be measured again by measuring step responses.According to the present invention, the position correspondence, interference width, and process gain of a process model are modified so that the deviation between the process model and the measured profile is minimized by inputting the manipulated variable of the actuators to the process model. This position correspondence is also set to a cross direction controller that outputs the manipulated variable. Since this enables the position correspondence to be modified in succession to the optimum value during machine operation, it prevents controllability from deteriorating even if the position correspondence shifts, thereby eliminating time and effort for measuring and switching position correspondences for each raw material recipe.
REFERENCES:
patent: 5812404 (1998-09-01), Hamalainen et al.
patent: 5893055 (1999-04-01), Chen
patent: 6421575 (2002-07-01), Shakespeare
patent: 6564117 (2003-05-01), Chen et al.
patent: 6647312 (2003-11-01), Sasaki
patent: 6799082 (2004-09-01), Sasaki
patent: 6799083 (2004-09-01), Chen et al.
patent: 6807510 (2004-10-01), Backstrom et al.
patent: 9316791 (1996-12-01), None
patent: 9049185 (1997-02-01), None
patent: 9132892 (1997-05-01), None
Dumont et al. “An Improved algorithm for estimating paper machine moisture profiles using scanned data”. Dec. 11-13, 1991. Proceedings of the conference on Decision and Control, 1991. Brighton, UK.
Doyle et al. “Customization strategies for the solution of linear programming problems arising from large scale MP paper machine”. Jun. 4-6, 1997. Proceedings of the American Control Conference, 1997. Albuquerque, NM USA.
Kojima Moonray
Kosowski Alexander
Picard Leo
Yokogawa Electronic Corporation
LandOfFree
Identification method for cross directional position... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Identification method for cross directional position..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Identification method for cross directional position... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3417194